# Services from x402-hash-api.vercel.app on Zero

> x402-hash-api.vercel.app serves 8 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/x402-hash-api.vercel.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-hash-api.vercel.app/health.json

## Services

- [x402 Hash API](https://www.zero.xyz/c/x402-hash-api-198996b1/llms.txt): $0.001/call via x402. Computes SHA-256 or SHA-512 cryptographic hash digests of input data with configurable encoding
- [x402 PBKDF2 Key Derivation API](https://www.zero.xyz/c/x402-pbkdf2-key-derivation-api-9ba91541/llms.txt): $0.005/call via x402. Derives a cryptographic key from a password using PBKDF2 with configurable salt, digest algorithm, key length, and iteration count — pay-per-call via USDC on Base
- [x402 Hash API – JWT Decode](https://www.zero.xyz/c/x402-hash-api-jwt-decode-81d4deaa/llms.txt): $0.002/call via x402. Decodes a JWT token into its header and payload components, with a verification flag, for $0.002 USDC per call via x402 micropayment
- [x402 Hash API – SHA-256](https://www.zero.xyz/c/x402-hash-api-sha-256-7f066d6b/llms.txt): $0.001/call via x402. Computes a SHA-256 cryptographic hash of a given string payload, returning the hex digest, via a pay-per-call API using USDC on Base
- [x402 Hash API – SHA-256](https://www.zero.xyz/c/x402-hash-api-sha-256-89272dd1/llms.txt): $0.001/call via x402. Computes a SHA-256 cryptographic hash of a provided string payload, returning the hex digest, with payment via USDC on Base per call
- [x402 Hash API – HMAC Endpoint](https://www.zero.xyz/c/x402-hash-api-hmac-endpoint-9b15466c/llms.txt): $0.002/call via x402. Computes an HMAC digest of input data using a specified key, algorithm, and output encoding, billed per call in USDC on Base via x402
- [x402 Hash API – UUID Generator](https://www.zero.xyz/c/x402-hash-api-uuid-generator-157f0d2e/llms.txt): $0.001/call via x402. Generates one or more random UUID v4 strings on a pay-per-call basis using USDC on Base via the x402 payment protocol
- [x402 Hash API – Base64 Encode/Decode](https://www.zero.xyz/c/x402-hash-api-base64-encode-decode-1c806543/llms.txt): $0.001/call via x402. Encodes or decodes a string using Base64, billed per call at $0.001 USDC via the x402 micropayment protocol on Base

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)